Question: Who is the important person behind Rumi?
Paraphrase: Who is the critical individual behind Rumi?
SPARQL (Wikidata):  select distinct ?obj where { wd:Q43347 wdt:P3342 ?obj . ?obj wdt:P31 wd:Q5 } 
Answer: Attar of Nishapur, Shams Tabrizi, Sanai, Pervâne, Gürcü Hatun